BIS(METHYLTHIO)(TRIMETHYLSILYL)METHANE
- CAS NO.：37891-79-5
- Empirical Formula: C6H16S2Si
- Molecular Weight: 180.41
- MDL number: MFCD01631301
- SAFETY DATA SHEET (SDS)
- Update Date: 2023-06-08 17:06:36
What is BIS(METHYLTHIO)(TRIMETHYLSILYL)METHANE?
Physical properties
bp 67–70°C/10 mmHg.
The Uses of BIS(METHYLTHIO)(TRIMETHYLSILYL)METHANE
Bis(methylthio)(trimethylsilyl)methane is a reagent used for synthesis of bis(methylthio)ketene acetals
from aldehydes and ketones;acyl anion synthon for conjugate
additions to enones and enoates;useful for one-carbon
homologations.
The bis(methylthio)ketene
acetals are useful synthetic intermediates because they are readily
converted into S-methyl thioesters (eq 9) or the corresponding
carboxylic acids and esters.
Preparation
prepared from lithiobis(methylthio)- methane by silylation with chlorotrimethylsilane (eq 1).Both bis(methylthio)methane and chlorotrimethylsilane are commercially available.
Properties of BIS(METHYLTHIO)(TRIMETHYLSILYL)METHANE
| Boiling point: | 82 °C(Press: 10.0 Torr) |
| Density | 0.941±0.06 g/cm3(Predicted) |
| refractive index | 1.5060-1.5100 |
| solubility | insol H2O; sol organic solvents. |
| form | clear liquid |
| color | Colorless to Light yellow to Light orange |
Safety information for BIS(METHYLTHIO)(TRIMETHYLSILYL)METHANE
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H227:Flammable liquids H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation |
| Precautionary Statement Codes |
P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P280:Wear protective gloves/protective clothing/eye protection/face protection. P403+P235:Store in a well-ventilated place. Keep cool. P501:Dispose of contents/container to..… |
Computed Descriptors for BIS(METHYLTHIO)(TRIMETHYLSILYL)METHANE
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![DIMETHYL-[3-(2-TRIMETHYLSILANYL-[1,3]DITHIAN-2-YL)-PROPYL]-AMINE](https://img.chemicalbook.in/StructureFile/ChemBookStructure22/GIF/CB11011204.gif)
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